diff --git a/.travis.yml b/.travis.yml
index a8a588535f..cff47abdd0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,7 +70,11 @@ script:
   - echo "TRAVIS_BRANCH=$TRAVIS_BRANCH, TRAVIS_PULL_REQUEST_BRANCH=$TRAVIS_PULL_REQUEST_BRANCH"
   - export CI_BRANCH="${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}"
   - echo "CI_BRANCH=${CI_BRANCH}"
-  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then dir; ./build.cmd; fi
+  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
+    dir "C:\Program Files (x86)\";
+    "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x64;
+    ./build.cmd;
+    fi
   - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then DEBUG=1 ./build.sh net-bootstrap < /dev/null; fi
   - "./factor -e='USING: memory vocabs.hierarchy ; \"zealot\" load save'"
   - './factor -run=zealot.cli-changed-vocabs'